"Orators are most vehement when their cause is weak"

This quote by Cicero can be translated in a few different methods, yet the basic idea is that when a person is really passionate, persuasive, or persuasive in their speech, it could be an indication that they are fighting an uphill struggle, or attempting to persuade others of something that is not totally convincing or well-supported.

In other words, if someone absolutely relies on something and has solid proof or arguments to back it up, they may not need to be quite as powerful or emotional in their speech. However, if they are having a hard time to make their case, or if they are aware that their debates are not totally sound or qualified, they might feel urged to increase their rhetoric in order to attempt to persuade others.

This quote also touches on the concept of persuasion itself, and exactly how it can be used for both excellent and poor purposes. Orators that have the ability to win people over to their side can be unbelievably powerful, however if they are doing so based upon lies, distortions, or weak disagreements, they might be using their abilities for less-than-honorable purposes.